When the schwa is followed by the M, it gets absorbed by the schwa, so what I'm saying is, you can say the word so quickly that you're not even trying to make a vowel: frm, frm, frm.
当 schwa 后面跟着 M 时, 它会被 schwa 吸收,所以我的意思是,你可以说这个词的速度如此之快, 以至于你甚至都不想发出元音:frm, frm, frm。